mainplayer

noun
UK /ˈmeɪnˌpleɪə/
US /ˈmeɪnˌpleɪər/

The mainplayer is the person you control in a game.

In this game, the mainplayer has to find a hidden key.


OTHER MEANINGS

2. The most important person in a group or activity.

She is the mainplayer on our soccer team.

3. The leading character in a story or movie.

The mainplayer in the cartoon saves the day.

4. A person who plays a key role in making something happen.

He was a mainplayer in planning the school fair.